Air supply attachment for a head belt of a welding helmet
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Description
The broken lines shown in the drawings represent portions of the air supply attachment for a head belt of a welding helmet that form no part of the claimed design.
Claims
The ornamental design for an air supply attachment for a head belt of a welding helmet, as shown and described.
Referenced Cited
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Patent History
Patent number: D716505
Type: Grant
Filed: Dec 16, 2013
Date of Patent: Oct 28, 2014
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/476,721
Type: Grant
Filed: Dec 16, 2013
Date of Patent: Oct 28, 2014
Assignee: Tecmen Electronics Co., Ltd. (Nanjing)
Inventor: Ziqian Wu (Nanjing)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/476,721
Classifications